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Re: AM TX & XR No, the 15k supplies the bias for the bottom modulator transistor. I sent you an email with additional information. Posted - Wed Jul 1, 2009 5:08 pm	charleswenzel Offline Send Email
Re: AM TX & XR Thanks, I do appreciate your consideration. Should I also remove the 15KΩ resistor? Would you please let me know the characteristics of the “pot core”? Posted - Wed Jul 1, 2009 1:57 pm	rosita najafi nejad rst_najafi Offline Send Email
Re: power generators and battery chargers 20 volts seems an unlikely rated output voltage for an alternator, is that the correct rating, or is it the actual output voltage you measure without a load? Posted - Wed Jun 24, 2009 1:44 pm	laurie camion lauriecam2006 Offline Send Email
Re: power generators and battery chargers You would need a simple rectifier between the alternator and the battery but you also need a regulator. The simplest way to regulate would be to find a vehicle Posted - Wed Jun 24, 2009 4:31 am	charleswenzel Offline Send Email
Re: AM TX & XR You could use the differential amplifier portion of this one: http://www.techlib.com/electronics/amxmit.htm#improved . Just feed the generator into the .01uF. Posted - Wed Jun 24, 2009 4:26 am	charleswenzel Offline Send Email
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